header {
    height: 78px;
    /*background-color: antiquewhite;*/
    border-bottom: 1px solid dimgrey;
}

.head-content {
    width: 1420px;
    height: 78px;
    /*border: 2px solid red;*/
    /*水平居中：只能用于块级元素*/
    margin: auto;
}

.logo {
    height: 30px;
    width: 133px;
    margin-left: 30px;
    /*顶端对齐*/
    vertical-align: center;
}

nav {
    width: 650px;
    height: 78px;
    /*background-color: coral;*/
    display: inline-block;
    margin-left: 80px;
    vertical-align: top;
}

.search {
    width: 100px;
    height: 78px;
    /*background-color: darkred;*/
    display: inline-block;
    margin-left: 417px;
}

span {
    color: #333333;
    font-size: 15px;
    margin-right: 20px;
    /* fun1行内元素上下边距无效，可以转为行内块级元素
    display:inline-block
    margin-top:30px
    fun2 文本垂直居中
    */
    /*行高设置和行高一致 只有文本可以*/
    line-height: 78px;

}

.slideshow-img {
    width: 100%;
    display: inline-block;
}

.slideshow {
    margin: auto;
    text-align: center;
}

.search-img {
    width: 20px;
    height: 20px;
    margin-left: 20px;
    margin-top: 30px;
}

h2 {
    font-size: 40px;
    color: #333333;
    font-weight: bold;
    /*针对文本居中*/
    text-align: center;
    margin-top: 40px;

}

.red-line {
    width: 70px;
    border-bottom: 2px solid red;
    margin: auto;
}

.img-content {
    width: 900px;
    /*border: 2px solid red;*/
    margin: 40px auto auto;

}

.img-box {
    /*background-color: #4e95d2;*/
    margin-top: 10px;
}

.img1 {
    height: 340px;
    width: 540px;
    margin-right: 15px;
}

.img2 {
    height: 340px;
    width: 340px;
}

.img1-2 {
    margin-right: 0px;
    margin-left: 15px;
}

.img4 {
    height: 280px;
    width: 280px;
}

.img4-2 {
    margin-right: 0px;
    margin-left: 15px;
}

.img4-3 {
    margin-left: 15px;
    width: 299px;
}

.img5 {
    width: 100%;
    display: inline-block;
    margin-top: 80px;
}

.img6 {
    width: 280px;
    display: inline-block;
}

.img7 {
    width: 280px;
    display: inline-block;
}

.huodong-content {
    width: 940px;
    /*border: 2px solid red;*/
    height: 1000px;

    margin: 40px auto auto;


}

.huodong1 {
    display: inline-block;
    width: 300px;
    /*border: 2px solid red;*/
    /*margin: 40px auto auto;*/
}

.huodong2 {
    display: inline-block;
    width: 300px;
    margin-left: 20px;
    /*border: 2px solid red;*/
    /*margin: 40px auto auto;*/
}
.huodong3 {
    display: inline-block;
    width: 300px;
    /*border: 2px solid red;*/
    /*margin: 40px auto auto;*/
    margin-left: 9px;
}

.span1{
    height: 250px;
    width: 300px;
    margin-top: 15px;
    background-color: #f8f8f8;;
}

h5{
    font-size: 20px;
    color: #333333;
    font-weight: bold;
    /*针对文本居中*/
    text-align: left;
    margin-top: 40px;
}

h4{
    font-size: 25px;
    color: #333333;
    font-weight: bold;
    /*针对文本居中*/
    text-align: left;
    margin-top: 40px;
}

.span-content span{
    width: 40px;
    word-break: break-all;
    word-wrap: break-word;
}
